Rifle barrel adjuster



FIG. 1 is a perspective view of a rifle barrel adjuster showing my new design, taken from the front, top and right side;

FIG. 2 is a perspective view thereof, taken from the rear, top and right side;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image of the front elevational view;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image of the right side elevational view;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is an exploded perspective view thereof, taken from the front, top and right side.

The various tones of gray shading on the surface portions indicate shaded areas and not surface decoration. 

CLAIM The ornamental design for a rifle barrel adjuster, as shown and described. 